feat(trash): NoteRepository.permanentDelete/emptyTrash/listTrashed (#4 v0.2.3)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main/repository/NoteRepository.ts

@@ -238,6 +238,34 @@ export class NoteRepository {
       .run(now, id);
   }
 
+  permanentDelete(id: string): void {
+    this.db.prepare('DELETE FROM notes WHERE id=?').run(id);
+  }
+
+  emptyTrash(): { noteIds: string[] } {
+    const noteIds: string[] = [];
+    const tx = this.db.transaction(() => {
+      const rows = this.db
+        .prepare('SELECT id FROM notes WHERE deleted_at IS NOT NULL')
+        .all() as Array<{ id: string }>;
+      for (const r of rows) {
+        this.db.prepare('DELETE FROM notes WHERE id=?').run(r.id);
+        noteIds.push(r.id);
+      }
+    });
+    tx();
+    return { noteIds };
+  }
+
+  listTrashed(opts: { limit: number }): Note[] {
+    const limit = Math.max(1, Math.min(200, opts.limit));
+    const rows = this.db
+      .prepare(`SELECT * FROM notes WHERE deleted_at IS NOT NULL ORDER BY deleted_at DESC, id DESC LIMIT ?`)
+      .all(limit) as any[];
+    return rows.map((r) => this.hydrate(r));
+  }
+
+  /** @deprecated v0.2.3 #4 부터 hard delete 는 permanentDelete() 사용. soft delete 는 trash(). 본 메서드는 v0.2.4 에서 제거 예정. */
   delete(id: string): void {
     this.db.prepare('DELETE FROM notes WHERE id=?').run(id);
   }